Finding the Fourth Proportional to 118,958.75, 178,438.26 and 35,852.75
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Solution
The fourth proportional to 118,958.75, 178,438.26 and 35,852.75 is: 53,779.17
Step by Step Solution
- Step 1: Write the proportion equation
118,958.75 : 178,438.26 = 35,852.75 : x - Step 2: Convert to fraction form
118,958.75/178,438.26 = 35,852.75/x - Step 3: Cross multiply
118,958.75x = 178,438.26 × 35,852.75 - Step 4: Simplify right side
118,958.75x = 6,397,502,326.22 - Step 5: Solve for x
x = 6,397,502,326.22/118,958.75 - Step 6: Final answer
x = 53,779.17
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Why These Related Problems?
These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.